ÌâÄ¿ÄÚÈÝ

¡¾ÌâÄ¿¡¿¡¾2016¡¤ÆÎÌï¾í¡¿ÔÚ̽¾¿¡°ÖØÁ¦µÄ´óС¸úʲôÒòËØÓйء±ÊµÑéÖУ¬µÃµ½Èç±íÊý¾Ý£º

m/kg

0.1

0.2

0.3

0.4

0.5

0.6

0.7

G/N

0.98

1.96

2.94

3.92

4.90

5.88

£¨1£©±¾ÊµÑéÖÐÓõ½µÄ²âÁ¿Æ÷²ÄÓУº ºÍ £®

£¨2£©·ÖÎöÈç±íÊý¾Ý¿ÉÖª£ºÎïÌåµÄÖÊÁ¿Îª0.7kgʱ£¬ËüÊܵ½µÄÖØÁ¦ÊÇ N£®

£¨3£©ÒÔÏÂËĸöͼÏóÖУ¬¹ØÓÚÎïÌåÖØÁ¦µÄ´óСÓëÆäÖÊÁ¿µÄ¹Øϵ£¬ÕýÈ·µÄÊÇ £®

¡¾´ð°¸¡¿£¨1£©Ììƽ¡¢µ¯»É²âÁ¦¼Æ£»£¨2£©6.86N£»£¨3£©A

¡¾½âÎö¡¿£¨1£©·ÖÎö±í¸ñÊý¾Ý¿ÉÖª£¬ÐèÒª²âÁ¿ÎïÌåµÄÖÊÁ¿ºÍÖØÁ¦£¬¹ÊÐèÒªµÄ²âÁ¿¹¤¾ßÓÐÌìƽºÍµ¯»É²âÁ¦¼Æ£»

£¨2£©·ÖÎöÊý¾Ý¿ÉµÃ£¬ÖØÁ¦ÓëÖÊÁ¿µÄ±ÈÖµ£»

ÎïÌåµÄÖÊÁ¿Îª0.7kgʱ£¬ËüÊܵ½µÄÖØÁ¦Îª£ºG=mg=0.7kg¡Á9.8N/kg=6.86N£»

£¨3£©ÎªÕý±ÈÀýº¯Êý£¬ËµÃ÷ÎïÌåËùÊܵÄÖØÁ¦¸úËüµÄÖÊÁ¿³ÉÕý±È£¬Í¼Ïó¹ý×ø±êÔ­µã£¬¹ÊÑ¡Aͼ¡£

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø